The potential energy of this ball is proportional to its height.

The place of articulation is a very important concept in phonetics.

His usual location is the seat at the very back of the library.

He lives in New York State, USA.

He lives in New York State in America.

The North American beaver is a large rodent native to North America.

The wood duck is a very beautiful bird.

The American bison is a large mammal native to North America.

An American alligator can move very quietly underwater.

The American bison is known for its size and strength.